<template>
    <div class="row">
        <!-- 展示用户列表 -->
        <div v-show="info.users.length" class="card" v-for="user in info.users" :key="user.login">
            <a :href="user.html_url" target="_blank">
            <img :src="user.avatar_url" style='width :100px'/>
            </a>
            <p class="card-text">{{ user.login }}</p>
        </div>
        <!-- 展示欢迎词 -->
        <h1 v-show="info.isFirst">欢迎使用</h1>
        <!-- 展示加载中 -->
        <h1 v-show="info.isLoading">信息加载中</h1>
        <!-- 展示错误信息 -->
        <h1 v-show="info.errMsg">{{ info.errMsg }}</h1>
    </div>
</template>

<script>
export default {
    name:'List',
    data(){
        return{
            info:{
                isFirst:true,
                isLoading:false,
                errMsg:'',
                users:[]
            }
        }
    },
    mounted(){
        this.$bus.$on('updateList',(dataObj)=>{
            console.log('list组件收到了数据',dataObj)
            /* this.users = users
            this.isFirst = isFirst
            this.isLoading = isLoading
            this.errMsg = errMsg */
            this.info = {...this.info,...dataObj}//不丢数据
            console.log(this)
        })
    }
}
</script>

<style scoped>
    .album {
    min-height: 50rem; /* Can be removed; just added for demo purposes */
    padding-top: 3rem;
    padding-bottom: 3rem;
    background-color: #f7f7f7;
    }

    .card {
    float: left;
    width: 33.333%;
    padding: .75rem;
    margin-bottom: 2rem;
    border: 1px solid #efefef;
    text-align: center;
    }

    .card > img {
    margin-bottom: .75rem;
    border-radius: 100px;
    }

    .card-text {
    font-size: 85%;
    }

</style>